STARITHM
CHIME detects Fast Radio Burst with high confidence and clear dispersion signature
AI Summary
CHIME/FRB Real-time Search Pipeline detected FRB 1182372333 on 2026-10-18 at 04:15:02 UTC with a signal-to-noise ratio of 14.43 and high importance score (0.976). The burst exhibits a dispersion measure of 127.78±1.62 pc/cm³, significantly exceeding the maximum galactic contribution (48.18 pc/cm³), indicating an extragalactic origin. Localized to RA 329.69°, Dec 15.02° with ~0.56° positional uncertainty, the event was observed across the 400-800 MHz band. No follow-up observations or additional constraints have been reported.
Measurements
| Event ID | 1182372333 |
|---|---|
| Source | CHIME |
| Alert type | FRB |
| Significance | medium |
| Trigger time (UTC) | Sun, 18 Oct 2026 04:15:02 GMT |
| Right ascension (J2000) | 329.6903155° |
| Declination (J2000) | 15.0246214° |
| Dispersion measure | 127.7822723 pc/cm³ |
| SNR | 14.4347887 |
| GCN notices | 1 |
| GCN circulars | 0 |
Notices (1)
CHIME — FRB · Sun, 18 Oct 2026 04:15:02 GMT
AI summary generated Sun, 18 Oct 2026 05:31:38 GMT.